diff --git a/libmfx.spec b/libmfx.spec
index f17961c..d664ce9 100644
--- a/libmfx.spec
+++ b/libmfx.spec
@@ -30,6 +30,7 @@ BuildRequires:  libva-devel
 BuildRequires:  pkgconfig
 BuildRequires:  pkgconfig(libva)
 BuildRoot:      %{_tmppath}/%{name}-%{version}-build
+ExclusiveArch:  x86_64
 
 %description
 Intel® Media SDK provides a plain C API to access hardware-accelerated